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7 Cards in this Set
- Front
- Back
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STI rates
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25% of Americans between the
ages of 15 and 55 will acquire some form of STI • Over 15 million Americans acquire an STI each year |
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STI
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Organisms causing STIs typically
require moist membranes of transition zones Transition zones occur at the openings between external and internal body surfaces: Female: vulva, vagina, urethra • Male: penis and urethra • Both sexes: mouth, oral cavity, throat, eyes, and anus |
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Vaginal Environment
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Different bacteria, fungi, and protozoa
are part of the normal vaginal microbial ecology and contribute to maintaining a healthy normal vaginal microbial environment Certain antibiotics kill these beneficial bacteria which results in the vaginal environment becoming basic which supports the development of Candida yeast vaginitis infections |
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Sexually transmitted infections
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Viral
• Bacterial • Fungal • Protozoan • Lice • Scabies |
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Sexually transmitted infections:
viral |
• Human papilloma virus (genital warts)
• Herpes simplex virus Type 2 (herpes genitalis) • Human immunodeficiency virus (HIV) • Hepatitis B virus • Hepatitis C virus • Molluscum contagiosum |
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Sexually transmitted infections:
bacterial |
Chlamydia trachomatis
• Neisseria gonorrhoeae • Treponema pallidum (syphilis) • Ureaplasma urealyticum (urethritis) • Haemophilus ducreyi (chancroid) • Haemophilus vaginalis (vaginitis & urethritis) • Calymmatobacterium granulomatous (granuloma inguinale) |
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Trichomonas vaginalis
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Protozoan transmitted through coitus
Vaginitis with frothy, odorous discharge that develops 4 - 28 days post exposure • Vulva, cervix, urethra, and bladder may also become inflamed • Most men are asymptomatic, but may develop urethritis or cystitis • Diagnosis by microscope • Treatment with single dose of metronidazole |
